<?php
/**
 *
 * User: wangshuai
 * Date: 2021/8/6
 * Time: 17:22
 * Email: <1076890579@qq.com>
 */

class DbMysql
{
    public function __construct($host, $name, $pwd)
    {
        // do something
    }

    public function query()
    {
        echo __METHOD__ . PHP_EOL;
    }
}